Designed for the Fuji Transonic SO aero carbon seatpost.

Custom formed. Easy to install. Just remove your seatpost and slip it on. The snug fit keeps it in place. 

Made of engineering grade nylon carbon fiber. This new material is an amazing. The perfect blend of strength and durability.

3.6 grams without bolt and nut.

Finish: Matte black

Kit includes:
One K3 NCF Fuji Transonic SO frame number holder
One 4mm socket head bolt
One #8 nylon lock nut

Used By:
Can be seen on the race bikes of the Team TIBCO-SVB during the 2019 season.

Spare parts:
For replacement nuts and bolts use the Next Gen Spare Nut Pack.

Tip: A word of caution when placing your bike on a roof rack with frame number attached.

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